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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: PBEPBEultrafine/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS cis 1A'

Conformer 1 (C2 trans)

Jump to S1C2
Vibrational Frequencies calculated at PBEPBEultrafine/6-31G**
Rotational Constants (cm-1) from geometry optimized at PBEPBEultrafine/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at PBEPBEultrafine/6-31G**
 hartrees
Energy at 0K-1195.210201
Energy at 298.15K-1195.212494
HF Energy-1195.210201
Nuclear repulsion energy191.941622
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBEultrafine/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 2560 2524 25.36      
2 A' 845 833 4.62      
3 A' 463 457 0.66      
4 A' 356 351 22.24      
5 A' 195 193 0.19      
6 A" 2560 2525 1.14      
7 A" 833 821 11.38      
8 A" 435 429 52.54      
9 A" 340 336 7.53      

Unscaled Zero Point Vibrational Energy (zpe) 4293.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 4234.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBEultrafine/6-31G**
ABC
0.47779 0.08486 0.07429

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.054 0.827 0.000
S2 -0.054 -0.382 1.715
S3 -0.054 -0.382 -1.715
H4 1.295 -0.511 1.881
H5 1.295 -0.511 -1.881

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.09782.09782.67342.6734
S22.09783.42941.36503.8425
S32.09783.42943.84251.3650
H42.67341.36503.84253.7620
H52.67343.84251.36503.7620

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.868 S1 S3 H5 98.868
S2 S1 S3 109.646
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.062      
2 S -0.070      
3 S -0.070      
4 H 0.101      
5 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.132 -0.588 0.000 2.212
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.605 -1.496 0.000
y -1.496 -41.986 0.000
z 0.000 0.000 -39.201
Traceless
 xyz
x 2.988 -1.496 0.000
y -1.496 -3.583 0.000
z 0.000 0.000 0.595
Polar
3z2-r21.190
x2-y24.381
xy-1.496
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.535 -0.328 0.000
y -0.328 5.931 0.000
z 0.000 0.000 12.123


<r2> (average value of r2) Å2
<r2> 145.512
(<r2>)1/2 12.063